package dgut.com.lab02;

import org.springframework.boot.CommandLineRunner;
import org.springframework.core.env.Environment;

import java.util.Objects;

public class MyCommandLineRunner implements CommandLineRunner {

    Environment env;


    public MyCommandLineRunner(Environment env){
        this.env = env;
    }

    @Override
    public void run(String... args) throws Exception {

        System.out.println("利用Spring Boot自动装配的CommandLineRunner");

        System.out.println("生成一个随机字符串：".concat(Objects.requireNonNull(env.getProperty("random."))));
    }
}